Finding the Fourth Proportional to 17,740,983.20, 26,611,474.80 and 4,277,811.20
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Solution
The fourth proportional to 17,740,983.20, 26,611,474.80 and 4,277,811.20 is: 6,416,716.80
Step by Step Solution
- Step 1: Write the proportion equation
17,740,983.20 : 26,611,474.80 = 4,277,811.20 : x - Step 2: Convert to fraction form
17,740,983.20/26,611,474.80 = 4,277,811.20/x - Step 3: Cross multiply
17,740,983.20x = 26,611,474.80 × 4,277,811.20 - Step 4: Simplify right side
17,740,983.20x = 113,838,864,947,957.77 - Step 5: Solve for x
x = 113,838,864,947,957.77/17,740,983.20 - Step 6: Final answer
x = 6,416,716.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.